I think the sound of clouds is obvious if you use it in obvious ways - particularly running rings through it!!
also lots of people use it as an end of chain reverb
more interestingly you could load something into the buffer and use it as a vco!!
"some of the best base-level info to remember can be found in Jim's sigfile" @Lugia
Utility modules are the dull polish that makes the shiny modules actually shine!!!
sound sources < sound modifiers < modulation sources < utilities